Best DAP fertilizer exporter in Romania, Europe, is Petrochim, Wholesale DAP fertilizer Supplier in Romania, Europe, Best DAP fertilizer manufacturer in Romania, Europe, Best DAP Exporter in Romania, Europe. Diammonium phosphate (DAP) is one of several water-soluble ammonium phosphate salts formed when ammonia interacts with phosphoric acid. We deal in DAP fertilizers. Di-ammonium Phosphate, or DAP, is a common fertiliser in India because it includes both Nitrogen and Phosphorus. Nitrogen and Phosphorus, both are essential and macronutrients necessary for plants. DAP fertiliser has 18% nitrogen and 46% phosphorus (P2O5). DAP is produced in fertiliser factories by combining ammonia and phosphoric acid under regulated circumstances.